131285847

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^4\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 227660280

約数和(自身を除く): 96374433

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 121, 147, 183, 231, 363, 427, 539, 671, 847, 1281, 1331, 1617, 2013, 2541, 2989, 3993, 4697, 5929, 7381, 8967, 9317, 14091, 14641, 17787, 22143, 27951, 32879, 43923, 51667, 65219, 81191, 98637, 102487, 155001, 195657, 243573, 307461, 361669, 568337, 717409, 893101, 1085007, 1705011, 2152227, 2679303, 3978359, 6251707, 11935077, 18755121, 43761949, 131285847]

約数ペア:

[(1, 131285847), (3, 43761949), (7, 18755121), (11, 11935077), (21, 6251707), (33, 3978359), (49, 2679303), (61, 2152227), (77, 1705011), (121, 1085007), (147, 893101), (183, 717409), (231, 568337), (363, 361669), (427, 307461), (539, 243573), (671, 195657), (847, 155001), (1281, 102487), (1331, 98637), (1617, 81191), (2013, 65219), (2541, 51667), (2989, 43923), (3993, 32879), (4697, 27951), (5929, 22143), (7381, 17787), (8967, 14641), (9317, 14091)]